Home / 50,915.13-70,266.21-29,405.79

Finding the Fourth Proportional to 50,915.13, 70,266.21 and 29,405.79

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Solution

The fourth proportional to 50,915.13, 70,266.21 and 29,405.79 is: 40,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,915.13 : 70,266.21 = 29,405.79 : x
  2. Step 2: Convert to fraction form
    50,915.13/70,266.21 = 29,405.79/x
  3. Step 3: Cross multiply
    50,915.13x = 70,266.21 × 29,405.79
  4. Step 4: Simplify right side
    50,915.13x = 2,066,233,415.36
  5. Step 5: Solve for x
    x = 2,066,233,415.36/50,915.13
  6. Step 6: Final answer
    x = 40,581.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.